#include <iostream>
#include <string>
#include <cmath>

int main()
{
	int n; char ch;
	std::cin >> n >> ch;
	int m = n;
	n = std::round(n / 2.0);
	std::string s(m, ch);
	for (int i = 0; i < n; i++)
		std::cout << s << '\n';
}

